- Cheapest fare
- $447
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 16h 02m
Allegiant Air · Wed, Dec 9
from $447
Usually 1+ stop
7,080 km
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Cheapest month to fly from Rapid City to London
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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Getting around
About flights from Rapid City to London
Rapid City (RAP) and London (LON) are about 7,080 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 16h 02m. Over the next few months, one-way fares start from $447, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Rapid City to London?
The cheapest one-way fare we've seen recently is $447 with Allegiant Air, departing Wednesday, December 9, 2026.
What is the cheapest month to fly from Rapid City to London?
December 2026 currently has the lowest fares, from $447 one way.
Are there direct flights from Rapid City to London?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Rapid City to London?
The quickest journey we've seen takes about 16h 02m. Rapid City and London are around 7,080 km apart.
Which airlines fly from Rapid City to London?
Recent fares on this route were with Allegiant Air.
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